Joule Energy and Data Center Campus
Holden, Millard County, UT
Joule Capital Partners, a private operator, is building Joule Energy and Data Center Campus in Holden, UT. Reported capacity is 4,000 MW. Joule Capital Partners held a groundbreaking (Nov 6, 2025) for its energy and AI data center campus on 4,000 acres in rural Millard County near Holden, approved by the Millard County Commission in August 2025. High-altitude siting is pitched for cooling efficiency; power was expected to start in 2026, with Caterpillar supplying G3520K generator sets and battery storage as part of a targeted ~4GW build-out. Distinct from the already-tracked Delta Gigasite (Fibernet MercuryDelta LLC/Creekstone Energy) and Creekstone's separate 'Creekstone Gigasite' project, both also in Millard County near Delta.
- 4,000 MWPlanned capacity
Project status
- Announced
- Permitting
- Under construction
- Operational
Recorded changes
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Community sentiment
Should this project be built?
What’s next
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Latest news
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Stories about it, and about Millard County, UT, land here.
Records and documentation
Utah state legislation
- HB 76Utah bill mandating water-use reporting and public disclosure for data centers.Download
- HB424 - Revise taxes for class 17 data center propertyRevises the tax treatment of class 17 data center property.Download
- SF4298 - Data center moratorium and PUC reportEstablishes a new moratorium on data centers and requires the Public Utility Commission to submit a report.Download
Site details
- Operator
- Joule Capital Partners
- County
- Millard County, UT
- Capacity
- 4,000 MW
- Address
- Holden, UT
- Stage
- Under construction
Size: not on file
Map
Photos
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